At a point on a vector electric-field map

PHYSICS · Single correct · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields

Problem

At a point

P

on a vector electric-field map, three previously measured contributions are known: •

6\,\text{N/C}

directed east •

4\,\text{N/C}

directed south •

2\,\text{N/C}

directed west Which of the following is closest to the magnitude and direction of the net electric field at

P

? (a)

5.7\,\text{N/C}

directed

45^{\circ}

south of west (b)

7.2\,\text{N/C}

directed

34^{\circ}

south of east (c)

5.7\,\text{N/C}

directed

45^{\circ}

south of east (d)

8.0\,\text{N/C}

directed

45^{\circ}

south of east